Health
Discover facts about health. Small discoveries that change the way you see familiar things.
Health
Nerve impulses can travel to and from your brain at speeds of up to two hundred and fifty miles per hour, depending on the type of nerve fiber.
Nerve impulses can travel to and from your brain at speeds of up to two hundred and fifty miles per hour, depending on the type of nerve fiber. Thick, heavily…
Discover more
Earwax is not actually dirt, but rather a highly specialized, antibacterial secretion produced by sebaceous glands to protect your ear canal.
Earwax is not actually dirt, but rather a highly specialized, antibacterial secretion produced by sebaceous glands to protect your ear canal. Known medically…
Discover more
Only humans possess a uvula, that fleshy little teardrop-shaped punching bag hanging menacingly at the back of your throat.
Only humans possess a uvula, that fleshy little teardrop-shaped punching bag hanging menacingly at the back of your throat. Its primary function is to secrete…
Discover more
Spleens quietly filter your entire blood supply and diligently recycle old, worn-out red blood cells like a morbid little biological scrapyard operating in your abdomen.
Spleens quietly filter your entire blood supply and diligently recycle old, worn-out red blood cells like a morbid little biological scrapyard operating in…
Discover more
Chronic stress fundamentally alters your brain chemistry by thickening the amygdala, which is the exact neural center responsible for processing fear and anxiety.
Chronic stress fundamentally alters your brain chemistry by thickening the amygdala, which is the exact neural center responsible for processing fear and…
Discover more
Humans hold the absurd distinction of being the only mammals on the entire planet that willingly delay sleep when they are completely exhausted.
Humans hold the absurd distinction of being the only mammals on the entire planet that willingly delay sleep when they are completely exhausted. every other…
Discover more
STACKY FOR IPHONEA bigger world.
One discovery
at a time.
Keep discovering with Stacky. Interesting facts in an app that is always within reach.
Sweating does absolutely nothing to detoxify your body, no matter what that heavily filtered wellness influencer on social media tries to sell you.
Sweating does absolutely nothing to detoxify your body, no matter what that heavily filtered wellness influencer on social media tries to sell you.…
Discover more
Human hearts will literally reshape themselves and thicken their muscular walls to cope with the relentless strain of chronic high blood pressure.
Human hearts will literally reshape themselves and thicken their muscular walls to cope with the relentless strain of chronic high blood pressure. this…
Discover more
Peptic ulcers are overwhelmingly caused by an aggressive bacterial infection called Helicobacter pylori, definitively proving that your highly demanding job and spicy food…
Peptic ulcers are overwhelmingly caused by an aggressive bacterial infection called Helicobacter pylori, definitively proving that your highly demanding job…
Discover more
Spending sufficient time outdoors during childhood significantly lowers the risk of developing myopia, also known as nearsightedness, because bright sunlight stimulates dopamine release in the retina.
Spending sufficient time outdoors during childhood significantly lowers the risk of developing myopia, also known as nearsightedness, because bright sunlight…
Discover more
Cerebellar activity actively predicts your own movements and dampens the sensory response, making it completely impossible for you to genuinely tickle yourself no matter how hard you try.
Cerebellar activity actively predicts your own movements and dampens the sensory response, making it completely impossible for you to genuinely tickle…
Discover more
Rhinoviruses and other upper respiratory infections are transmitted strictly through viral contact and absolutely not by simply walking outside without a jacket in the middle of…
Rhinoviruses and other upper respiratory infections are transmitted strictly through viral contact and absolutely not by simply walking outside without a…
Discover more
Procedural memory, commonly referred to as muscle memory, has absolutely nothing to do with your actual physical muscles and is entirely dictated by the rapid firing of neural…
Procedural memory, commonly referred to as muscle memory, has absolutely nothing to do with your actual physical muscles and is entirely dictated by the rapid…
Discover more
Standard professional handshakes transfer an astonishing amount of genetic material and millions of bacterial colonies between two individuals in less than three seconds;…
Standard professional handshakes transfer an astonishing amount of genetic material and millions of bacterial colonies between two individuals in less than…
Discover more
Neurological activity during rapid eye movement sleep skyrockets to levels that frequently match or violently exceed your brain's processing power during your most active waking…
Neurological activity during rapid eye movement sleep skyrockets to levels that frequently match or violently exceed your brain's processing power during your…
Discover more
Hallux bones, colloquially known as your big toes, carry almost forty percent of your total body weight and are absolutely critical for maintaining your balance and forward…
Hallux bones, colloquially known as your big toes, carry almost forty percent of your total body weight and are absolutely critical for maintaining your…
Discover more
Contralateral organization is the bizarre anatomical setup where the left hemisphere of your brain controls the physical movements and receives sensory input from the entire right side of your body, and vice versa.
Contralateral organization is the bizarre anatomical setup where the left hemisphere of your brain controls the physical movements and receives sensory input…
Discover more
Pilomotor reflex, commonly known as getting goosebumps, occurs when tiny muscles at the base of your hair follicles contract, causing your body hair to stand straight up in…
Pilomotor reflex, commonly known as getting goosebumps, occurs when tiny muscles at the base of your hair follicles contract, causing your body hair to stand…
Discover more
Choir singers naturally synchronize their heartbeats when singing together, turning a group of vocalists into a slightly creepy, unified biological metronome.
Choir singers naturally synchronize their heartbeats when singing together, turning a group of vocalists into a slightly creepy, unified biological metronome.…
Discover more
Follicular cells contain built-in circadian clocks that literally track your sleep cycles, meaning your individual strands of hair possess cellular knowledge of exactly when you go to bed.
Follicular cells contain built-in circadian clocks that literally track your sleep cycles, meaning your individual strands of hair possess cellular knowledge…
Discover more
Chronic social isolation triggers a massive inflammatory response in the human body that dramatically increases the risk of heart disease, dementia, and premature death.
Chronic social isolation triggers a massive inflammatory response in the human body that dramatically increases the risk of heart disease, dementia, and…
Discover more
Green is the rarest human eye color on the planet, occurring in only about two percent of the global population due to a highly specific genetic combination of pigmentation and light scattering.
Green is the rarest human eye color on the planet, occurring in only about two percent of the global population due to a highly specific genetic combination…
Discover more
Olfactory receptors in the human nose are capable of distinguishing and remembering up to fifty thousand different specific scents, directly linking those smells to the memory centers of the brain.
Olfactory receptors in the human nose are capable of distinguishing and remembering up to fifty thousand different specific scents, directly linking those…
Discover more
How losing teeth can shrink your face
Your teeth are basically the load-bearing pillars of your face. When you lose even a single one, the surrounding jaw structure starts to resorb and collapse…
Discover more